fo shizz 

much like "for real", showing you are serious about something with a little less seriousness.

"So you're serious? Green Day's on tour again?"

"Dude, i am fo shizz"

fo shizz by littleorphanpunk February 11, 2008

fo'shizz 

you understand something and you like it

geezer 1: wonna come to my partay 2nite
geezer 2: fo'shizz

fo'shizz by lawrence bled December 31, 2008

fo shizz up the spout

means definitely pregnant...seen in the new box office hit "Juno"

...In the flim, Juno says "this isn't a food baby i am fo shizz up the spout.

fo shizz up the spout by D.J. III February 1, 2008

slack dogg fo shizz 

Origin: Old Ghettish
A word used by lads to say that something is unfair.

Lad 1: I lost 60 cents from the World Stock Market Crash.

Lad 2: Life is so slack dogg fo shizz

slack dogg fo shizz by Jack De March 2, 2009

fo shizzle ma nizzle

a bastardization of "fo' sheezy mah neezy" which is a bastardization of "for sure mah nigga" which is a bastdardization of "I concur with you whole heartedly my African american brother."

"fo shizzle ma nizzle that is dank shit"

fo shizzle ma nizzle by yo mama's snatch March 15, 2003

fo' shizzle my nizzle 

"fo shizzle ma nizzle" is a bastardization of "fo' sheezy mah neezy" which is a bastardization of "for sure mah nigga" which is a bastdardization of "I concur with you whole heartedly my African american brother"

fo' shizzle my nizzle by Anonymous November 10, 2002

fo shizzle mah nizzle 

"fo shizzle ma nizzle" is a bastardization of "fo' sheezy mah neezy" which is a bastardization of "for sure mah nigga" which is a bastdardization of "I concur with you whole heartedly my African American brother"

see what I mean man?
fo shizzle ma nizzle

fo shizzle mah nizzle by John June 23, 2004